1143116651 has 2 divisors, whose sum is σ = 1143116652. Its totient is φ = 1143116650.

The previous prime is 1143116621. The next prime is 1143116677. The reversal of 1143116651 is 1566113411.

It is a strong prime.

It is an emirp because it is prime and its reverse (1566113411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1143116651 - 2¹⁰ = 1143115627 is a prime.

It is not a weakly prime, because it can be changed into another prime (1143116621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571558325 + 571558326.

It is an arithmetic number, because the mean of its divisors is an integer number (571558326).

Almost surely, 2^1143116651 is an apocalyptic number.

1143116651 is a deficient number, since it is larger than the sum of its proper divisors (1).

1143116651 is an equidigital number, since it uses as much as digits as its factorization.

1143116651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 29.

The square root of 1143116651 is about 33810.0081484758. The cubic root of 1143116651 is about 1045.5950461295.

It can be divided in two parts, 11431 and 16651, that added together give a palindrome (28082).

The spelling of 1143116651 in words is "one billion, one hundred forty-three million, one hundred sixteen thousand, six hundred fifty-one".